Only a week removed from their early exit from the NBA playoffs, and the Lakers have already made changes. Coach Mike D'Antoni told assistant coaches Bernie Bickerstaff and Chuck Person Monday they would not return to the Lakers' coaching staff next season. Meanwhile, Lakers assistant coach Steve Clifford plans to interview with the Charlotte Bobcats' vacant head-coaching position, according to sources familiar with the situation. D'Antoni kept all of Mike Brown's assistants after he was fired following a 1-4 start while hiring his brother, Dan, to help oversee his offense after spending time on his staff in Phoenix and New York. But it was expected D'Antoni would alter his staff after the season ended. Bickerstaff went 4-1 as an interim coach following Brown's firing, and has been considered one of Brown's most influential mentors. Person remained the last connection to Phil Jackson's staff. Brown kept Person when he was hired in May 2011, as did D'Antoni. Person's main responsibility under Jackson and Brown mostly involved the team's defense. Under D'Antoni, Person mostly worked on players' shooting mechanics and specifically worked with Dwight Howard on post moves and free-throw shooting. Clifford's possibly joining the Bobcats comes after they recently fired coach Mike Dunlap following a league-worst 21-61 record. Charlotte has had five different head coaches in the franchise's history dating back 2004. Despite those issues, Clifford still